PROTUBERANCE Synonyms: 61 Similar and Opposite Words

Q: How is the word 'protuberance' different from other nouns like it?

Some common synonyms of protuberance are bulge , projection , and protrusion . While all these words mean "an extension beyond the normal line or surface," protuberance implies a growing or swelling out in rounded form. // a skin disease marked by warty protuberances

Q: When is 'bulge' a more appropriate choice than 'protuberance'?

The synonyms bulge and protuberance are sometimes interchangeable, but bulge suggests an expansion caused by internal pressure. // bulges in the tile floor

Q: When could 'projection' be used to replace 'protuberance'?

In some situations, the words projection and protuberance are roughly equivalent. However, projection implies a jutting out especially at a sharp angle. // those projections along the wall are safety hazards

Q: In what contexts can 'protrusion' take the place of 'protuberance'?

The words protrusion and protuberance are synonyms, but do differ in nuance. Specifically, protrusion suggests a thrusting out so that the extension seems a deformity. // the bizarre protrusions of a coral reef

protuberance

noun

prō-ˈtü-b(ə-)rən(t)s

Definition of protuberance

as in projection

a part that sticks out from the general mass of something the tree trunk had several mossy protuberances where branches had once grown

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How is the word protuberance different from other nouns like it?

Some common synonyms of protuberance are bulge, projection, and protrusion. While all these words mean "an extension beyond the normal line or surface," protuberance implies a growing or swelling out in rounded form.

a skin disease marked by warty protuberances

When is bulge a more appropriate choice than protuberance?

The synonyms bulge and protuberance are sometimes interchangeable, but bulge suggests an expansion caused by internal pressure.

bulges in the tile floor

When could projection be used to replace protuberance?

In some situations, the words projection and protuberance are roughly equivalent. However, projection implies a jutting out especially at a sharp angle.

those projections along the wall are safety hazards

In what contexts can protrusion take the place of protuberance?

The words protrusion and protuberance are synonyms, but do differ in nuance. Specifically, protrusion suggests a thrusting out so that the extension seems a deformity.

the bizarre protrusions of a coral reef

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of protuberance When cells produce proteins, the amino acids spontaneously fold into tangled and twisted structures, with pockets and protuberances, and sometimes long, trailing tails. — Jeremy Kahn, Fortune, 28 Nov. 2025 In the far distance lies the Pacific Ocean, and beyond that, featureless protuberances labeled Japan, Russia and China. — Matthew Carey, Deadline, 1 Sep. 2025 Above the central display is a ventilative protuberance sporting a pair of menacing ambient lights. — Brett Berk, Robb Report, 19 Aug. 2025 Violet-blue protuberances are surrounded by what look like thorns but are actually soft, if jagged, flower parts. — Joshua Siskin, Orange County Register, 14 Mar. 2025 See All Example Sentences for protuberance

Recent Examples of Synonyms for protuberance

Noun

Based on the consensus projection for revenue of $396 billion for fiscal 2027, which ends in January, sales next year would hit $673 billion.

— Leonie Kidd, CNBC, 27 Aug. 2026
The 70% preliminary expectation wildly exceeded projections for fiscal 2028 revenue of roughly $570 billion, or 44% growth from fiscal 2027 (the current year).

— Amanda Gerut, Fortune, 27 Aug. 2026

Definition of projection

Noun

An important question before Prime Minister Shah is whether a small landlocked nation with a youth bulge and rising expectations can deliver in the age of tech disruption and changing geopolitics.

— Vasuki Shastry, Forbes.com, 27 July 2026
With the bulge-bracket firms the clear winners, choosing a VC has become simpler.

— Robert Frank, CNBC, 14 July 2026

Definition of bulge

Noun

The judge later ruled in late 2024 that the two sections were unconstitutional.

— Joseph Flaherty, Arkansas Online, 28 Aug. 2026
The goddess Gayatri, a divine manifestation of the Gayatri mantra, is described in the Mahanarayana Upanishad as having five heads, along with three feet, six abdominal sections, and 24 syllables.

— Charles Preston, Encyclopedia Britannica, 28 Aug. 2026

Definition of section

Noun

Chrysanthemum Chrysanthemums are carefully cultivated and tended through summer to produce the tight, abundant domes of little flowers gardeners prize in autumn.

— Alexandra Jones, The Spruce, 30 Aug. 2026
And the 20-mm silk-dome tweeters handle the top end unbelievably well for this price range, delivering clear, detailed, and clean highs.

— Joe Salas August 28, New Atlas, 28 Aug. 2026

Definition of dome

Noun

Today, convexity, which can be more expensive, is used earlier and some experts recommend a convexity-first approach after ostomy surgery.

— Diego Schaps, STAT, 1 Apr. 2026
The tower flaunts its partnership with the Dime Savings Bank, sending the 1908 landmark’s geometrical exuberance rocketing upward in a play of convexities and concavities, glass and trim, darkness and gleam.

— Justin Davidson, Curbed, 28 Jan. 2026

Definition of convexity

Noun

But Yates' story didn't elicit the same swell of empathy as Lindsay Clancy's has today.

— Madeline Mitchell, USA Today, 27 Aug. 2026
Like a massive ocean swell, which can bear all kinds of flotsam and jetsam ashore, a political wave that is big enough, broad enough and strong enough can carry all manner of unlikely candidates to victory.

— Los Angeles Times, Los Angeles Times, 23 Aug. 2026

Definition of swell

Noun

Bridges and overhangs were clean, confirming excellent exposure calibration and the printer's ability to resolve intricate features without sacrificing dimensional accuracy.

— Michael Lydick, PC Magazine, 21 Aug. 2026
Remove any large groupings of plants like saw palmetto, yaupon, wax myrtle and gallberry, especially if the plants are close to the home, adjacent decks or porches or under eaves or overhangs.

— Sarah Perkel, USA Today, 21 Aug. 2026

Definition of overhang

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protrusive

protuberance

protuberances

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“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 1 Sep. 2026.

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Synonyms of protuberance

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